What are the side effects of Keflex?

What are the side effects of Keflex?

What Are Side Effects of Keflex?

  • diarrhea,
  • dizziness,
  • tiredness,
  • headache,
  • stomach upset,
  • abdominal pain,
  • joint pain,
  • vaginal itching or discharge,

Can you overdose on cephalexin 500mg?

What happens if I overdose on Cephalexin (Keflex)? Overdose symptoms may include nausea, vomiting, stomach pain, diarrhea, and blood in your urine.

Can you take 1000 mg of cephalexin?

Adults and children 15 years of age and older—1000 to 4000 milligrams (mg) per day, taken in divided doses. Children 1 year of age and older—Dose is based on body weight and must be determined by your doctor.

What kind of bacteria does Keflex treat?

KEFLEX is indicated for the treatment of skin and skin structure infections caused by susceptible isolates of the following Gram-positive bacteria: Staphylococcus aureus and Streptococcus pyogenes.

Is Keflex expensive?

It is available in generic and brand versions. Generic cephalexin is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. The lowest GoodRx price for the most common version of generic Keflex is around $3.64, 85% off the average retail price of $24.52.

Does cephalexin 500 mg make you sleepy?

Cephalexin oral capsule doesn’t cause drowsiness. However, it can cause other side effects.

How much is cephalexin?

The usual dose of oral KEFLEX is 250 mg every 6 hours, but a dose of 500 mg every 12 hours may be administered. Treatment is administered for 7 to 14 days. For more severe infections larger doses of oral KEFLEX may be needed, up to 4 grams daily in two to four equally divided doses.

Can you drink on cefalexin 500mg?

Although it is not the case with some other antibiotics, cephalexin and alcohol are safe to consume together. However, some people report unpleasant side effects. The side effects of cephalexin can be similar to those of alcohol, so combining the two may exacerbate these effects.

What do you need to know about Keflex capsules?

DESCRIPTION. KEFLEX® (cephalexin) Capsules, USP is a semisynthetic cephalosporin antibacterial drug intended for oral administration. It is 7-(D-α-Amino-α-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid monohydrate. Cephalexin has the molecular formula C 16 H 17 N 3 O 4 S•H 2 O and the molecular weight is 365.41.

What are the side effects of cephalexin capsules?

Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away: 1 Diarrhea. 2 Belly pain. 3 Upset stomach or throwing up.

Can you take Keflex if you are allergic to cephalosporin?

Keflex is contraindicated in patients with known allergy to the cephalosporin group of antibiotics. WARNINGS BEFORE THERAPY WITH CEPHALEXIN IS INSTITUTED, CAREFUL INQUIRY SHOULD BE MADE TO DETERMINE WHETHER THE PATIENT HAS HAD PREVIOUS HYPERSENSITIVITY REACTIONS TO CEPHALEXIN, CEPHALOSPORINS, PENICILLINS, OR OTHER DRUGS.

What is the molecular formula of cephalexin?

Cephalexin has the molecular formula C16H17N3O4S•H2O and the molecular weight is 365.41. Cephalexin has the following structural formula: The nucleus of cephalexin is related to that of other cephalosporin antibiotics. The compound is a zwitterion; i.e., the molecule contains both a basic and an acidic group.