Common Nausea, Vomiting, Skin rash, Diarrhoea, Hearing loss, Balance disorder (loss of balance).

Expert advice for Clindamycin Topical

Discontinue use of topical clindamycin and contact your doctor immediately, if you experience diarrhea or bloody diarrhea.
Avoid vaginal intercourse or use of other intravaginal products such as tampons or douches while using clindamycin cream. 
Clindamycin cream contains mineral oil that may weaken latex products (condoms and diaphragms) and may not provide adequate birth control. Therefore, do not use these products within 72 hours of using clindamycin cream.
Avoid direct contact of cream with your eyes. In case of direct contact, wash your eyes with water and seek immediate medical attention.
Tell your doctor if you are or planning to become pregnant or are breastfeeding.
Do not use if you are allergic to clindamycin, lincomycin or any of its ingredients.
Do not use if you have Crohn’s disease (a chronic inflammatory disease of the intestines), antibiotic-associated colitis (colon inflammation).

Expert advice for Gentamicin
It is given as a drip (intravenous infusion), as an injection directly into a vein or into a muscle; or as an ear or eye drops. Do not drive immediately after using gentamicin eyedrops because gentamicin in the eye may cause temporary  blurring of vision. Gentamicin should be used with caution in premature babies because of their kidney immaturity, and in elderly people. Gentamicin may cause damage to the kidneys and/or nerves. Consult your doctor for monitoring  Kidney function and drug levels in the blood  during treatment. Consult your doctor, if you experience hearing loss, dizziness, numbness, skin tingling, muscle twitching, or seizures which may be signs of nerve damage. Do not start or continue the gentamicin and consult your doctor:

If you have inflammation of the middle ear (otitis media), kidney or liver problem, open wound or damaged skin.
If you are pregnant or planning to become pregnant or breastfeeding.
If you experience itching, skin rashes, swelling of face, lips, throat or difficulty in breathing.

Q. Can I use clindamycin with a penicillin allergy?
Clindamycin is considered safe for use in patients with a penicillin allergy

Q. Does clindamycin treat acne scars?
Clindamycin can prevent the formation of new scars by preventing formation of new acne, but will not be useful for the scars already formed

Q. Can clindamycin cream cause thrush?
Yes. Use of clindamycin cream may cause thrush (a type of fungal or yeast infection) in rare cases.

Q. Is Gentamicin a macrolide, steroid or a sulfa drug?
Gentamicin does not contain sulfa and is not a macrolide, or steroidal drug. It is a broad spectrum aminoglycoside

Q. Is Gentamicin nephrotoxic?
Yes, Gentamicin is a nephrotoxic drug. Please consult your doctor before taking the drug

Q. Is Gentamicin safe for babies?
Gentamicin is safe for babies if used at prescribed doses for the prescribed duration as advised by your doctor

Q. Does Gentamicin cause hearing loss or burn?
Yes Gentamicin can cause hearing loss if used inappropriately. It can cause burning of eyes

Q. Is Gentamicin used for pink eye?
Yes, Gentamicin is used in the treatment of pink eye (conjunctivitis). Please consult your doctor before use

Q. Does Gentamicin dialyze out?
Yes, Gentamicin is a dialyzable drug

Q. What organisms does Gentamicin cover?
Gentamicin is mainly effective against pseudomonas, escherichia, enterobacter, klebsiella, staphylococcus, salmonella, serratia, and shigella species but rarely effective against streptococci and methicillin-resistant Staphylococcus aureus (mrsa)

Q. Does it cover anaerobes?
It does not act against anaerobes.