Pefloxacin Mesylate Dihydrate
Pefloxcin is a synthetic antibacterial agent, belongs to fluoroquinolone group. It exerts its action by inhibiting the subunit-A of DNA gyrase (Topoisomerase II). Pefloxcin is bactericidal and has a broad spectrum of activity.
Adult with normal hepatic function: Pefloxcin 400 mg tablet 12 hourly (morning & evening) with meals to avoid gastrointestinal disturbances. An initial loading dose of 800 mg may be given in order to produce effective blood concentration more rapidly.Adult with hepatic insufficiency: In patients with severe hepatic insufficiency or reduced blood supply to the liver, the daily doses should be readjusted by increasing the intervals between doses. Dosage need not to be reduced in renal insufficiency.Duration of Treatment:Usually 5 to 10 days.For chronic prostatitis, cystic fibrosis & chronic Salmonella carriers: 14 days.For endocarditis: Up to 6 months.For chronic osteomyelitis: Up to 1 year.For gonorrhoea: 2 tablets single dose.
When taken concomitantly with an Antacid containing Aluminium and/or Magnesium Hydroxide gel, absorption of Peflox is reduced. So, concurrent administration of these agents with Peflox should be avoided.
Pefloxacin is contraindicated in patients with known hypersensitivity to Quinolone, children under 15 years of age, pregnant and lactating mothers, patient with inborn glucose-6-phosphate dehydrogenase deficiency and patients with history of tendon lesion, tendonitis or tendon rupture.
Occasionally observed reactions are - Gastrointestinal disturbance: Epigastric pain, nausea, vomiting, diarrhoea, dyspepsia. Central nervous system disturbance: Headache, insomnia. Hypersensitivity reaction: Skin rash, pruritis, photosensitization. Others: Myalgia and/or arthralgia, tendonitis, rupture of achilles tendon.
Pefloxacin has been assigned to pregnancy category C by the FDA.
Because of the risk of photosensitivity reaction, exposure to sunlight and ultraviolet radiation should be avoided during Peflox therapy. Dosage readjustment is required in severe hepatic insufficiency. Patients should be informed of the possibility of pain in the achilles tendon.
4-Quinolone preparations
Keep below 30°C temperature, away from light & moisture. Keep out of the reach of children.
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