Top 10 Best Staph Infection Treatment

of November 2024
1
Best ChoiceBest Choice
Thyme Out for Pets (8oz) - Natural Dog and Cat Itch Relief & Skin Treatment for
Thyme Out
Thyme Out
10
Exceptional
View on Amazon
2
Best ValueBest Value
Bactine MAX First Aid Wound Wash - Antiseptic Liquid Kills 99.9% of Germs -
Bactine MAX
Bactine MAX
9.9
Exceptional
View on Amazon
3
Bactine MAX First Aid Wound Wash - Antiseptic Liquid Kills 99.9% of Germs -
Bactine
Bactine
9.8
Exceptional
View on Amazon
4
terrasil Antifungal Cream MAX 6X - Clinically Proven Clotrimazole Effective
terrasil
terrasil
9.7
Exceptional
View on Amazon
5
Balanitis Treatment 2-Product Ointment and Cleansing Bar System by Terrasil
terrasil
terrasil
9.6
Exceptional
View on Amazon
6
terrasil Wound Care MAX 3X - Wound Healing Ointment, Infection Protection for
terrasil
terrasil
9.5
Excellent
View on Amazon
7
Terrasil Wound Care - 3X Faster Healing, Infection Protection for Bed sores,
terrasil
terrasil
9.4
Excellent
View on Amazon
8
Terrasil Wound Care Max - 3X Faster Healing, Infection Protection Ointment for
terrasil
terrasil
9.3
Excellent
View on Amazon
9
Terrasil Antifungal Treatment Kit - 6X Faster Healing, Natural Soothing
Aidance
Aidance
9.2
Excellent
View on Amazon
10
Truremedy Naturals Remedy Tea Tree Oil Body Wash - Body Wash That Helps Body
Truremedy Naturals
Truremedy Naturals
9.1
Excellent
View on Amazon
11
Bactine MAX Advanced Healing Hydrogel with Scar Defense - Faster-Healing &
Bactine MAX
Bactine MAX
9.0
Excellent
View on Amazon
12
CUROXEN First Aid Antibiotic Ointment, 0.5oz | All-Natural & Organic
CUROXEN
CUROXEN
8.9
Very Good
View on Amazon
13
Results RNA - ACS 200 Silver-Glutathione Gel  Advanced Cellular Colloidal
Results RNA
Results RNA
8.8
Very Good
View on Amazon
14
Antibacterial Skin Repair, 3X Faster Natural Ingredients for Treatment of
Aidance
Aidance
8.7
Very Good
View on Amazon
15
Terrasil Wound Care - 3X Faster Healing, Infection Protection Ointment for bed
terrasil
terrasil
8.6
Very Good
View on Amazon
16
Spencer's Gel Alkaline Formula (4oz) - lab-Certified to Kill Staph aureus on
Spencer's Gel
Spencer's Gel
8.5
Good
View on Amazon
17
Spencer's Gel Alkaline Formula (8oz) - lab-Certified to Kill Staph aureus on
Spencer's Gel
Spencer's Gel
8.4
Good
View on Amazon
18
Boiron Staphysagria 30C, 80 Pellets, Homeopathic Medicine for Surgical Wounds
Boiron
Boiron
8.3
Good
View on Amazon
19
B-pHree gel Bacteria Wash (32oz) - lab-Certified to Kill Staph aureus on Skin
B-pHree Gel
B-pHree Gel
8.2
Good
View on Amazon
20
Amish Origins Drawing Salve Ointment 1oz, ingrown Hair Treatment, Boil & Cyst,
Amish Origins
Amish Origins
8.1
Good
View on Amazon
21
Hibiclens  Antimicrobial and Antiseptic Soap , Skin Cleanser  32 oz  for Home
Hibiclens
Hibiclens
8.0
Good
View on Amazon
22
Beeswax & Propolis Magic Salve | Boils | Abscesses | Hidradenitis Suppurativa |
generic
generic
7.9
Good
View on Amazon
23
Polysporin First Aid Topical Antibiotic Skin Ointment with Bacitracin Zinc &
Polysporin
Polysporin
7.8
Good
View on Amazon

About Staph Infection Treatment

Click here to learn more about these products.

Thyme Out for Pets (8oz) - Natural Dog and Cat Itch Relief & Skin Treatment for Itchy Paws and Ringworm - Yeast Infection, Dandruff and Hot Spot Spray for Dogs - All Natural, Organic Blend

Versatile Pet Rash Treatment Featuring a tincture made from organic Thyme, our dog itch spray is powerful against fungal, bacterial and viral issues An all-in-one topical, its a must-have for pet rashes, hot spots, yeast infections and bug bites.. Soothe Irritated Skin Thanks to organic Aloe Vera, our formula acts as a topical mange medicine for dogs The calming properties quickly relieve paw and underbelly itch, as well as uncomfortable symptoms caused by allergic reactions and dermatitis.. Easy Application Designed with convenience in mind, our ringworm treatment for cats features an easy-to-use dispenser tip Simply apply directly to the skin and allow to air dry. For best results, use frequently until the problem is under control.. Pet-Safe Formula While products with pharmaceutical ingredients can be dangerous to your furry friend, our dog skin yeast infection treatment is completely harmless Safe and all-natural, you wont even have to worry about them licking the area.. Satisfaction Guarantee From hamsters to horses, our cat ringworm treatment is great for mammals of all sizes If it doesnt bring the relief your pet needs, just let us know. All orders come with our 30-day guarantee, so you can shop risk-free..

Bactine MAX First Aid Wound Wash - Antiseptic Liquid Kills 99.9% of Germs - Infection Protection for Minor Cuts, Scrapes, and Burns - First Aid Solution - 8fl oz

KILLS 99 OF GERMS Minor cuts, scrapes and burns on the skin can ruin your good time - don't let them. Our first aid antiseptic provides crucial wound care fast, killing 99.9 of germs associated with skin infections. NO-STING NO WORRIES Treat your family with a sting-free first aid wound care. Unlike other hydrogen peroxide or alcohol based wound care products, Bactine cleanses and protects minor wounds and burns without a painful, harsh sting. FIRST AID KIT MUST HAVE Accidents happen, be prepared. Keep your first aid kit stocked with Bactine MAX. Whether its a scraped knee, or a minor cut, this first aid essential cleans wounds when you need it most. KEEP ACTIVE PLAY ON A minor scrape or cut can put the brakes on your relaxation time. An easy and quick application of Bactine MAX Wound Wash allows you to get back to doing what you do best - having a good time. TRUSTED FOR OVER 70 YEARS With a legacy spanning over 70 years, Bactine has been the go-to choice for families seeking the best first aid available. Clean affected area using a small amount 1-3 times daily may be covered with a sterile bandage.

Bactine MAX First Aid Wound Wash - Antiseptic Liquid Kills 99.9% of Germs - Infection Protection for Minor Cuts, Scrapes, and Burns - First Aid Solution - 8fl oz, 2 Pack

KILLS 99 OF GERMS Minor cuts, scrapes and burns on the skin can ruin your good time - don't let them. Our first aid antiseptic provides crucial wound care fast, killing 99.9 of germs associated with skin infections. NO-STING NO WORRIES Treat your family with a sting-free first aid wound care. Unlike other hydrogen peroxide or alcohol based wound care products, Bactine cleanses and protects minor wounds and burns without a painful, harsh sting. FIRST AID KIT MUST HAVE Accidents happen, be prepared. Keep your first aid kit stocked with Bactine MAX. Whether its a scraped knee, or a minor cut, this first aid essential cleans wounds when you need it most. KEEP ACTIVE PLAY ON A minor scrape or cut can put the brakes on your relaxation time. An easy and quick application of Bactine MAX Wound Wash allows you to get back to doing what you do best - having a good time. TRUSTED FOR OVER 70 YEARS With a legacy spanning over 70 years, Bactine has been the go-to choice for families seeking the best first aid available. Clean affected area using a small amount 1-3 times daily may be covered with a sterile bandage.

terrasil Antifungal Cream MAX 6X - Clinically Proven Clotrimazole Effective Treatment of Skin Fungus, Soothing Relief: Jock Itch, Athletes Foot, Fungal Yeast Infection, Ringworm, Tinea (200g)

POWERFUL ANTIFUNGAL CREAM contains 1 Clotrimazole and natural ingredients to treat fungal infections while providing fast soothing relief for burning, itchy, and irritated skin. For men and women of all skin types on body, neck, hands, legs, and feet.. CLINICALLY PROVEN EFFECTIVE Terrasil with Clotrimazole 1 cures most fungal skin infections athlete's foot, bar rot, fungal skin infections, jock itch, kerion, male yeast infection, ringworm, tinea.. UNIQUE PATENTED TECHNOLOGY Only Terrasil Anti-fungal skin cream contains Activated Minerals, backed by over 20 years of research development, which together with select ingredients, effectively treats, protects and supports skin healing.. DERMATOLOGIST TESTED, NATURAL, SAFE Terrasil Antifungal provides additional therapeutic benefits with natural ingredients including beeswax, peppermint oil, cotton seed oil, tea tree oil, jojoba seed oil - to moisturize cracking, scaling and damaged skin with soothing relief from itching, burning and soreness. Terrasil is free of parabens, alcohols, dyes, fragrances and steroids. Dermatologist tested Hypoallergenic approved, for even the most sensitive skin.. EXCEPTIONAL QUALITY FOR POWERFUL RESULTS Terrasil is formulated with the finest ingredients and made in the USA to the highest quality manufacturing standards. FSAHSA Approved.

Balanitis Treatment 2-Product Ointment and Cleansing Bar System by Terrasil with All-Natural Activated Minerals for Relief of Balanitis Symptoms, Irritation and Inflammation (14gm tube + 75gm soap)

WORKS FAST TO RELIEVE BALANITS SYMPTOMS even with very sensitive skin and promotes healthy skin. PATENTED ACTIVATED MINERALS TECHNOLOGY delivers active ingredients quickly and efficiently right where they are needed. Terrasil Serious Balanitis Relief Kit is good for symptoms associated with Balanitis like itching, burning, redness, irritation, and inflammation All-natural, deep moisturizing ointment and soap are homeopathic, paraben-free, alcohol-free, dye-free, fragrance-free, non-irritating, soothing, and safe for sensitive skin.

terrasil Wound Care MAX 3X - Wound Healing Ointment, Infection Protection for Bed Sores, Pressure Sores, Diabetics Ulcers, Blisters, Cuts, Scrapes, & Burns, (200g)

POWERFUL, EFFECTIVE PROTECTION HEALING Terrasil Wound Care MAX. Uniquely formulated to provide a powerful barrier against infection, killing 99.99 of bacteria. Soothing formula covers and protects damaged skin and supports faster healing of wounds, ulcers and sores.. FAST RELIEF SOOTHING OINTMENT. Terrasil Wound Care MAX calms inflammation and redness, minimizes risk of scarring, and reduces itching and irritation. Applies easily for soothing relief without the stinging found in other products. Ideal care and relief for bed sores, diabetic wounds, leg sores, ulcers, burns, cuts, scrapes and wounds.For use on body, neck, arms, hands, backside, legs, and feet.. UNIQUE PATENTED TECHNOLOGY Only Terrasil Wound Care MAX contains Activated Minerals, backed by over 20 years of research development, which together with select ingredients, effectively treats, protects and supports skin healing.. NATURAL, SAFE Terrasil Wound Care MAX provides therapeutic benefits with natural ingredients to moisturize damaged skin with soothing relief from itching, burning and soreness. Terrasil is paraben-free, alcohol-free, dye-free, fragrance-free, formulated for even the most sensitive skin.. EXCEPTIONAL QUALITY FOR POWERFUL RESULTS Terrasil is formulated with the finest ingredients and made in the USA to the highest quality manufacturing standards. FSA HSA eligible..

Terrasil Wound Care - 3X Faster Healing, Infection Protection for Bed sores, Pressure sores, Diabetic Wounds, Foot, Leg ulcers, cuts, scrapes, Burns - 50gm Tube

KILLS BACTERIA 3X FASTER than leading skincare creams, putting you on the road to recovery sooner.. Promotes faster natural healing of wounds, ulcers and sores. Improvement within 1 to 7 days. BACKED BY OVER 15 YEARS OF RESEARCH and trusted by top physicians to be effective in killing bacteria and speeding recovery. Good for cuts, scrapes, minor burns, wounds, fissures, boils, pressure sores, diabetic wounds, ulcers, bedsores, foot and leg sores, skin abscesses.

Terrasil Wound Care Max - 3X Faster Healing, Infection Protection Ointment for Bed sores, Pressure sores, Diabetic Wounds, ulcers, cuts, scrapes, and Burns (50 Gram Tube)

3X FASTER than leading skincare creams, putting you on the road to recovery sooner.. PREVENTS INFECTION to promote faster natural healing of wounds, ulcers and sores. Improvement within 1 to 7 days. BACKED BY OVER 15 YEARS OF RESEARCH and trusted by top physicians to be effective in killing bacteria and speeding recovery. Good for cuts, scrapes, minor burns, wounds, fissures, boils, pressure sores, diabetic wounds, ulcers, bedsores, foot and leg sores, skin abscesses.

Terrasil Antifungal Treatment Kit - 6X Faster Healing, Natural Soothing Clotrimazole Ointment for Fungal Skin Infections (Antifungal Cream Max 14gm Tube + Antifungal Soap 75gm Bar)

Free of unnecessary chemicals, artificial scents, parabens and potentially harmful preservatives. Relieves itching, burning, pain, redness, inflammation irritation. BACKED BY OVER 15 YEARS OF RESEARCH it relieves jock itch symptoms effectively.

Truremedy Naturals Remedy Tea Tree Oil Body Wash - Body Wash That Helps Body Odor, Ringworm, & Skin Irritations - Tea Tree Soap Body Wash (1 pk, 12 oz)

HELPS SKIN IRRITATIONS - Our 100 natural tea tree, mint, and aloe tea tree soap is a powerful odor eliminator that helps moisturize the skin and soothe common skin irritations.. NOURISHES SKIN - Our tea tree oil body wash contains skin-enriching omega 3, 6, 7, 9, vitamins E C, aloe vera, tea tree oil, and other essential oils that help soothe dry, itchy, cracked, or flaky skin on your face, hands, heels, toenails, elbow, back, chest, and butt. Use our moisturizing body wash for cleaner feeling skin.. NATURAL ORGANIC SOAP MADE IN USA - Our tea tree oil body wash is made from premium botanical tea tree oil and peppermint oil, which are well known for naturally helping skin irritations. We added jojoba oil, coconut oil, and olive oil to moisturize, refresh, and deodorize. No parabens, preservatives, petroleum, sulfate, silicone, synthetic fragrances, or dyes. Made in the USA.. STRONG ENOUGH FOR THE GYM, GENTLE ENOUGH FOR EVERY DAY - The perfect mens and womens shower gel for your gym bag, this body wash smells great, like a tea tree shower gel with peppermint should, is balanced for all skin types, and gives you a fresh tingling sensation.. PERFECT GIFT - Our body wash is made of broad spectrum essential oils and plant extracts including tea tree oil and eucalyptus oils that help promote relief for skin discomfort - making it the perfect gift for your parents and loved ones.

Bactine MAX Advanced Healing Hydrogel with Scar Defense - Faster-Healing & First Aid Infection Protection with Natural Ingredients - Scar Prevention Gel - 0.75oz

SPEEDS HEALING Hydrogel technology helps create the optimal healing conditions for the skin by accelerating skin cell renewal, allowing the wound to heal quickly. PROTECTS SKIN BARRIER Bactine MAX Advanced Healing Hydrogel creates a barrier to protect your skin against germs that cause skin infections. NO UNNECESSARY INGREDIENTS Bactine MAX Hydrogel has no antibiotics or steroids, is non-greasy, fragrance-free, paraben-free, petrolatum-free and lanolin-free. NON IRRITATING Bactine MAX Advanced Healing Hydrogel applies easily and goes to work quickly. Avoid gooey ointments and other balm products that can irritate your skin. TRUSTED FOR OVER 70 YEARS With a legacy spanning over 70 years, Bactine has been the go-to choice for families seeking the best first aid available.

CUROXEN First Aid Antibiotic Ointment, 0.5oz | All-Natural & Organic Ingredients (0.5oz Vertical)

SAFE AND EFFECTIVE CUROXEN works using only all-natural, organic ingredients. These ingredients combine to create a powerful and effective substrate to promote healing in minor wounds. There are no known allergies or side effects for the natural ingredients used in CUROXENs formula, making it safe to use.. SPEEDS HEALING Use on minor cuts, scrapes, burns and blisters to help prevent infection and promote healing.. ALL-NATURAL, ORGANIC INGREDIENTS CUROXEN contains four all-natural and organic ingredients oxygenated olive oil, olive extract, calendula, and essential oil. CUROXENs power comes from a proprietary oxygenation process that combines olive oils inherent healing properties with oxygen, creating an extremely effective substrate.. ORGANICARE PROMISE At OrganiCare, we aim to create all-natural and organic OTC healthcare products and first aid kit supplies that are effective and simply better for you than the petrochemical-based, drug-laden products used by most consumers today..

Results RNA - ACS 200 Silver-Glutathione Gel Advanced Cellular Colloidal Silver Gel for Wound Care & Superior Dermal Healing. Clinically Proven. Recommended by Doctors Worldwide (2 oz)

ACS 200 SILVER-GLUTATHIONE GEL Extraordinarily soothing skin healing clear topical gel with active ingredients Advanced Cellular Silver Glutathione. Apply to minor wounds, small cuts, abrasions, sunburn more.. DOCTOR RECOMMENDED - The leading doctor recommended colloidal silver gel available, ACS 200 Silver Gel soothes speeds dermal rejuvenation on face body.. CLINICALLY SUPERIOR Competing silver gels provide less than 20 parts per million ionic silver. ACS 200 Silver provides 200 parts per million Advanced Cellular Silver, exceeding benefits efficacy of all silver-based products tested.. SAFE EFFECTIVE - With millions of applications, ACS 200 Silver Gel is proven safe effective for all ages.. SUPERIOR REJUVENATION The rapid bioavailability fast-acting effects of ACS 200 Silver Gel provide discernable dermal rejuvenation healing. Use daily to maintain beautiful, healthy skin..

Antibacterial Skin Repair, 3X Faster Natural Ingredients for Treatment of Fissures Folliculitis Angular Cheilitis Impetigo Chilblains Lichen Sclerosus Cellulitis by Terrasil (14 Gram)

NATURAL, ORGANIC INGREDIENTS mean that you dont have to worry about harsh chemicals irritating your skin or slowing down healing. All-natural, deep moisturizing formula that is homeopathic, paraben-free, alcohol-free, dye-free, fragrance-free, non-irritating, soothing, and safe for sensitive skin. 3X FASTER healing, putting you on the road to recovery sooner.. PATENTED ACTIVATED MINERALS TECHNOLOGY delivers active ingredients quickly and efficiently right where they are needed..

Terrasil Wound Care - 3X Faster Healing, Infection Protection Ointment for bed sores, pressure sores, diabetic wounds, ulcers, cuts, scrapes, and burns (14 gram tube)

3X FASTER healing, putting you on the road to recovery sooner.. Promote faster natural healing of wounds, ulcers and sores. Improvement within 1 to 2 days. BACKED BY OVER 15 YEARS OF RESEARCH and trusted by top physicians to be effective in killing bacteria and speeding recovery.

Spencer's Gel Alkaline Formula (4oz) - lab-Certified to Kill Staph aureus on Skin Contact

This product was created for use by individuals with open Staph or MRSA wounds or folliculitis.. This gel is not a preventative for Staph or MRSA nor is it to be used as an anti-bacterial cleanser. It is designed for a pre-existing skin problem caused by acid-loving bacterium. It reduces acidity allowing the immune system to get to work on the bacteria and allow the body to heal. You will be surprised at how quickly you will see results.. High alkalinity concentrate non caustic. Organic citrus oil as fragrance.

Spencer's Gel Alkaline Formula (8oz) - lab-Certified to Kill Staph aureus on Skin Contact

This product was created for use by individuals with open MRSA wounds or folliculitis.. This gel is not a preventative for Staph or MRSA nor is it to be used as an anti-bacterial cleanser. It is designed for a pre-existing skin problem caused by acid-loving bacterium. It reduces acidity allowing the immune system to get to work on the bacteria and allow the body to heal.. You will be surprised at how quickly you will see results.. High alkalinity concentrate non caustic. Organic citrus oil as fragrance.

Boiron Staphysagria 30C, 80 Pellets, Homeopathic Medicine for Surgical Wounds

Homeopathic medicine that helps with the healing of Surgical Wounds. Take at the First Sign of Symptoms. Store at 68-77 degree F 20-25 degree C. Non-Drowsy, no known side effects, no known drug interactions. This medicine uses highly diluted natural substances to relieve symptoms.. This medicine comes in quick-dissolving pellet form.

B-pHree gel Bacteria Wash (32oz) - lab-Certified to Kill Staph aureus on Skin Contact

B-pHree is lab-certified to kill Staphylococcus aureus on contact. Proprietary high acidity, low caustic concentrate. This product uses the power of pH to kill the bacteria, nothing toxic. When you step out of the shower use a clean towel, clean linens, clean clothes etc.. Product packaging may vary from image.

Amish Origins Drawing Salve Ointment 1oz, ingrown Hair Treatment, Boil & Cyst, Splinter Remover, Bug and Spider Bites, bee Sting, Mosquito bite Itch Relief, Poison Ivy, by Owell Naturals

ORIGINAL DRAW SALVE, 3X BETTER THAN ICHTHAMMOL Owell Naturals Drawing Salve has been the staple of the medicine Chest for decades used to aid in wound healing that go back as far the 1400s, we still use the same Authentic Amish Formula that has withstood the test of time.. MAXIMUM STRENGTH DRAWING SALVE it's the most effective Ointment for Drawing out Ingrown hair, Boils, Cysts, Splinters, abscess, Ingrown Toenails, Glass and Lipoma. It also keeps out germs and helps preventing infection by adding a thick protective barrier.. 1 CHOICE FOR SKIN DISCOMFORTS BITES professionally formulated to help in relieving Pain, Burns, skin eruptions, irritations, itchy skin, Mosquito Spider Bites, Bee Stings, Poison ivy Oak, and Bug insect bites.. SAFE GENTLE ON SKIN with a Natural fresh honey lavender Scent, Smooth Consistency. using only 100 natural ingredients. We never compromise on quality, our salve is non-GMO, made in USA, Vegan, Paraben-Free, Not tested on animals.. AUTHENTIC AMISH FORMULA Why do our product work so well It is because Owell Naturals utilize the healing powers of essential oils. Our unique blend consists of Bees Wax, Chickweed, Lavender, Eucalyptus, Comfrey, Pine and Olive Oil..

Hibiclens Antimicrobial and Antiseptic Soap , Skin Cleanser 32 oz for Home and Hospital 4% CHG

Trusted by Healthcare Hibiclens Antiseptic Skin Cleanser has been a trusted product among many hospitals and care centers for over 40 years as a skin cleanser in pre-operative patient bathing, and for help in reducing the risk of surgical site infections. Protect against germs, even between washes The average person comes in contact with 300 surfaces every 30 minutes. Hibiclens is antibacterial, antiseptic and antimicrobial Its active ingredient chlorhexidine gluconate CHG begins killing a variety of germs, bacteria and fungi on contact and continues working even after rinsing. Recommended by professionals Hibiclens is the recommended antibacterial soap by pharmacists and dermatologists. World-leading provider Mlnlycke Health Care is a world-leading provider of advanced surgical and wound care products for customers, healthcare professionals, and patients.

Beeswax & Propolis Magic Salve | Boils | Abscesses | Hidradenitis Suppurativa | Anal Fissures | Wound Care | Healing For Painful, Irritated, Infected, Open, Dry & Cracked Skin | Advanced Relief

Propolis salve. Boils cream. Hidradenitis suppurativa cream. Anal fissures cream. Wound care cream.

Polysporin First Aid Topical Antibiotic Skin Ointment with Bacitracin Zinc & Polymyxin B Sulfate, for Infection Protection & Wound Care, Neomycin-Free, Travel Size, 0.5 oz

0.5-ounce tube of Polysporin First Aid Antibiotic Skin Ointment for effective wound care of minor cuts, scrapes and burns. This topical antibiotic ointment helps provide effective infection prevention for minor wounds. From the 1 dermatologist-recommended first aid ointment for infection prevention, the unique neomycin-free formula combines the antibiotic power of the infection-fighting ingredients bacitracin zinc 500 unitsgram with polymyxin B sulfate 10,000 unitsgram. To use, apply a small amount of this product to affected area 1 to 3 times daily, then cover with a sterile bandage.Available in a convenient TSA-friendly travel size for on-the-go wound care, this antibiotic ointment also makes a great addition to a home first aid kit. Available in a convenient TSA-friendly travel size for on-the-go wound care, this antibiotic ointment also makes a great addition to a home first aid kit.
Disclaimer