Coly-Mycin S Side Effects
Generic name: colistin sulfate / hydrocortisone / neomycin / thonzonium bromide otic
Medically reviewed by Drugs.com. Last updated on May 30, 2025.
Note: This document provides detailed information about Coly-Mycin S Side Effects associated with colistin sulfate / hydrocortisone / neomycin / thonzonium bromide otic. Some dosage forms listed on this page may not apply specifically to the brand name Coly-Mycin S.
Applies to colistin sulfate / hydrocortisone / neomycin / thonzonium bromide otic: otic suspension.
It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly and to check for unwanted effects.
If your symptoms do not improve within 1 week or if they become worse, check with your doctor right away.
This medicine may cause permanent hearing loss (with long-term use). Do not use it for more than 10 days.
This medicine may cause serious allergic reactions. Check with your doctor right away if you have difficulty in breathing or swallowing, fast heartbeat, skin itching, rash, or redness, swelling of the face, throat, or tongue, or trouble breathing.
Serious side effects of Coly-Mycin S
Along with its needed effects, colistin sulfate / hydrocortisone / neomycin / thonzonium bromide otic may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking colistin sulfate / hydrocortisone / neomycin / thonzonium bromide otic:
Incidence not known
- blistering, burning, itching, peeling, rash, redness, swelling, or other signs of skin irritation
- bloody urine
- burning and itching of the skin with pinhead-sized red blisters
- change in the frequency of urination or amount of urine
- crusting, dryness, flaking, or scaling of the skin
- difficulty in breathing
- dizziness
- drowsiness
- feeling of fullness in the ears
- increased thirst
- loss of appetite
- loss of balance
- loss of hearing
- nausea
- ringing or buzzing in the ears
- swelling of the feet or lower legs
- thinning of the skin with easy bruising
- trouble in hearing
- vomiting
- weakness
Other side effects of Coly-Mycin S
Some side effects of colistin sulfate / hydrocortisone / neomycin / thonzonium bromide otic may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Incidence not known
- acne, pimples
- burning, itching, and pain in hairy areas
- increased hair growth on the forehead, back, arms, and legs
- lightening of normal skin color
- lightening of the treated areas of dark skin
- pus at the root of the hair
- reddish purple lines on the arms, face, legs, trunk, or groin
- redness and scaling around the mouth
- softening of the skin
See also:
Augmentin
Augmentin is a prescription antibiotic combining amoxicillin and clavulanate to treat bacterial ...
Azithromycin
Azithromycin is an antibiotic used to treat many different types of infections caused by bacteria ...
Taltz
Taltz (ixekizumab) is used to treat plaque psoriasis, psoriatic arthritis, and ankylosing ...
Bactrim
Bactrim (sulfamethoxazole and trimethoprim) is an antibiotic used to treat ear infections, urinary ...
Ciprodex
Ciprodex (ciprofloxacin and dexamethasone) is used to treat ear infections. Includes Ciprodex side ...
Cortisporin Otic
Cortisporin Otic is used for middle ear infections, otitis externa
Floxin Otic
Floxin Otic (ofloxacin) is a fluoroquinolone antibiotic used to treat ear infections. Includes ...
Sulfamethoxazole/trimethoprim
Sulfamethoxazole/trimethoprim systemic is used for acne, bacterial infection, bacterial skin ...
Amoxicillin/clavulanate
Amoxicillin and clavulanate potassium is a combination antibiotic used to treat bacterial ...
More about Coly-Mycin S (colistin sulfate / hydrocortisone / neomycin / thonzonium bromide otic)
- Check interactions
- Compare alternatives
- Dosage information
- Drug class: otic steroids with anti-infectives
Patient resources
Other brands
Professional resources
Other brands
Related treatment guides
Further information
Coly-Mycin S side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.