What are the possible side effects of Clindamycin HCl?
Get emergency medical help if you have any signs of an allergic reaction to Clindamycin HCl: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Clindamycin HCl can cause diarrhea, which may be severe or lead to serious, life-threatening intestinal problems. If you have diarrhea that is watery or bloody, stop using Clindamycin HCl and call your doctor.
Call your doctor at once if you have:
any change in bowel habits;
little or no urination;
a metallic taste in your mouth;
signs of inflammation in your body - swollen glands, flu symptoms, easy bruising or bleeding, severe tingling or numbness, muscle weakness, upper stomach pain, jaundice (yellowing of the skin or eyes), chest pain, new or worsening cough with fever, trouble breathing; or
severe skin reaction- fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.
Common Clindamycin HCl side effects may include:
nausea, vomiting, stomach pain;
mild skin rash; or
vaginal itching or discharge;
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Side effects of Clindamycin HCl in details
A side effect of any drug can be defined as the unwanted or undesired effect produced by the drug. The side effect can be major or in few medications minor that can be ignored. Side effects not only vary from drug to drug, but it also depends on the dose of the drug, the individual sensitivity of the person, brand or company which manufactures it. If side effects overweigh the actual effect of the medicine, it may be difficult to convince the patient to take the drug. Few patients get specific side effects to specific drugs; in that case, a doctor replaces the drug with another. If you feel any side effect and it troubles you, do not forget to share with your healthcare practitioner.
Clinical Trials Experience
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.
A total of 439 subjects with mild to moderate acne vulgaris were treated once daily for 12 weeks with Clindamycin HCl Foam.
The incidence of adverse reactions occurring in ≥1% of the subjects in clinical trials comparing Clindamycin HCl Foam, and its vehicle is presented in Table 1.
Table 1: Adverse Reactions Occurring in ≥1% of Subjects
Number (%) of Subjects
Clindamycin HCl Foam
N = 439
N = 154
Application site burning
Application site pruritus
Application site dryness
Application site reaction, not otherwise specified
In a contact sensitization study, none of the 203 subjects developed evidence of allergic contact sensitization to Clindamycin HCl Foam.
The following adverse reactions have been identified during post approval use of Clindamycin HCl Foam: application site pain, application site erythema, diarrhea, urticaria, abdominal pain, hypersensitivity, rash, abdominal discomfort, nausea, seborrhea, application site rash, dizziness, pain of skin, colitis (including pseudomembranous colitis), and hemorraghic diarrhea. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
Abdominal pain and gastrointestinal disturbances, as well as gram-negative folliculitis, have also been reported in association with the use of topical formulations of Clindamycin HCl.
Orally and parenterally administered Clindamycin HCl have been associated with severe colitis, which may end fatally.
What is the most important information I should know about Clindamycin HCl?
Clindamycin HCl suspension only works against bacteria; it does not treat viral infections (eg, the common cold).
Be sure to use Clindamycin HCl suspension for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The bacteria could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
Long-term or repeated use of Clindamycin HCl suspension may cause a second infection. Tell your doctor if signs of a second infection occur. Your medicine may need to be changed to treat this.
Tell your doctor or dentist that you take Clindamycin HCl suspension before you receive any medical or dental care, emergency care, or surgery.
Mild diarrhea is common with antibiotic use. However, a more serious and sometimes fatal form of diarrhea (pseudomembranous colitis) may rarely occur. This may develop while you use the antibiotic or within several months after you stop using it. Contact your doctor right away if stomach pain or cramps, severe diarrhea, or bloody stools occur. Do not treat diarrhea without first checking with your doctor.
Very bad skin reactions (Stevens-Johnson syndrome/toxic epidermal necrolysis) have happened. They can cause very bad health problems that may not go away and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
Lab tests, including liver function, kidney function, and complete blood cell counts, may be performed while you use Clindamycin HCl suspension. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
Use Clindamycin HCl suspension with caution in the ELDERLY; they may be more sensitive to its effects, especially diarrhea.
Use Clindamycin HCl suspension with extreme caution in CHILDREN younger than 10 years old who have diarrhea or an infection of the stomach or bowel.
PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Clindamycin HCl suspension while you are pregnant. Clindamycin HCl suspension is found in breast milk. If you are or will be breast-feeding while you use Clindamycin HCl suspension, check with your doctor. Discuss any possible risks to your baby.
Clindamycin HCl contraindications
Contraindication can be described as a special circumstance or a disease or a condition wherein you are not supposed to use the drug or undergo particular treatment as it can harm the patient; at times, it can be dangerous and life threatening as well. When a procedure should not be combined with other procedure or when a medicine cannot be taken with another medicine, it is called Relative contraindication. Contraindications should be taken seriously as they are based on the relative clinical experience of health care providers or from proven research findings.
You should not use this medication if you are allergic to Clindamycin HCl or lincomycin (Bactramycin, L-Mycin, Lincocin).
Do not take Clindamycin HCl together with erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole, and others).
Before using Clindamycin HCl, tell your doctor if you have kidney disease, liver disease, an intestinal disorder such as colitis or Crohn's disease, or a history of asthma, eczema, or allergic skin reaction.
Take this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Clindamycin HCl will not treat a viral infection such as the common cold or flu.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody, stop taking Clindamycin HCl and call your doctor. Do not use anti-diarrhea medicine unless your doctor tells you to.
To be sure this medication is not causing harmful effects, your blood may need to be tested often. Your kidney or liver function may also need to be tested. Visit your doctor regularly.
If you need surgery, tell the surgeon ahead of time that you are using Clindamycin HCl. You may need to stop using the medicine for a short time.
European Chemicals Agency - ECHA. "Clindamycin: The information provided here is aggregated from the "Notified classification and labelling" from ECHA's C&L Inventory. ". https://echa.europa.eu/information-o... (accessed September 17, 2018).
NCIt. "Clindamycin: NCI Thesaurus (NCIt) provides reference terminology for many systems. It covers vocabulary for clinical care, translational and basic research, and public information and administrative activities.". https://ncit.nci.nih.gov/ncitbrowser... (accessed September 17, 2018).
The results of a survey conducted on ndrugs.com for Clindamycin HCl are given in detail below. The results of the survey conducted are based on the impressions and views of the website users and consumers taking Clindamycin HCl. We implore you to kindly base your medical condition or therapeutic choices on the result or test conducted by a physician or licensed medical practitioners.
Consumer reported side effects
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