Cephalexin

What it’s used for

Cephalexin is a cephalosporin antibacterial drug indicated for the treatment of the following infections caused by susceptible isolates of designated bacteria: • Respiratory tract infection ( 1. 1 ) • Otitis media ( 1.

How to take it

Adults and patients at least 15 years of age The usual dose is 250 mg every 6 hours, but a dose of 500 mg every 12 hours may be administered ( 2. 1 ).

Important warnings

5 WARNINGS AND PRECAUTIONS • Serious hypersensitivity (anaphylactic) reactions: Prior to use, inquire regarding history of hypersensitivity to beta-lactam antibacterial drugs. Discontinue the drug if signs or symptoms of an allergic reaction occur and institute supportive measures.

Common side effects

The following serious events are described in greater detail in the Warning and Precautions section: • Hypersensitivity reactions [see Warning and Precautions ( 5. 1 )] • Clostridium difficile-associated diarrhea [see Warnings and Precautions ( 5.

Interactions

7 DRUG INTERACTIONS • Metformin: increased metformin concentrations.

If pregnant or breastfeeding

8.

Forms & strengths

150 MG Chewable Tablet · 300 MG Chewable Tablet · 600 MG Chewable Tablet · 500 MG Oral Tablet · 100 MG/ML Oral Suspension · 25 MG/ML Oral Suspension · 250 MG Oral Capsule · 50 MG/ML Oral Suspension · 500 MG Oral Capsule · 250 MG Oral Tablet · 750 MG Oral Capsule · 333 MG Oral Capsule · 25 MG/ML Oral Solution · 50 MG/ML Oral Solution

Questions to ask your doctor or pharmacist

• Is this the right medicine for my condition, and how long should I take it?
• What side effects should I watch for, and which need urgent attention?
• Does this interact with my other medicines, supplements, or alcohol?
• What should I do if I miss a dose or take too much?