Oracyn-K tablets should be taken orally with water. For optimal absorption, it is best taken on an empty stomach (at least 30 minutes before or 2 hours after meals), but it can be taken with food to reduce gastrointestinal upset.

Phenoxymethylpenicillin works by inhibiting bacterial cell wall synthesis. It binds to penicillin-binding proteins (PBPs) located inside the bacterial cell wall, which prevents the cross-linking of peptidoglycan chains, leading to cell lysis and bacterial death.

• •Hypersensitivity to penicillin or any component of the formulation.
• •History of severe allergic reaction to other beta-lactam antibiotics (e.g., cephalosporins, carbapenems).

Store in a cool, dry place, below 30°C. Protect from light and moisture. Keep out of reach of children.

Symptoms of overdose may include severe nausea, vomiting, diarrhea, abdominal pain, and neuromuscular hypersensitivity (e.g., agitation, hallucinations, seizures). Management involves symptomatic and supportive care. Gastric lavage may be considered if ingestion is recent.

Pregnancy Category B. Studies in animals have not shown a risk, but there are no adequate and well-controlled studies in pregnant women. Generally considered safe for use during pregnancy and lactation, as it is excreted in breast milk in small amounts, but usually not enough to harm the infant.