3. Characterization Each bulk drug intermediate must be tested and characterized, often through techniques such as chromatographic methods or nuclear magnetic resonance (NMR), to confirm its identity and purity.
Like any medication, Apo-Pentoxifylline may cause side effects. Common side effects include gastrointestinal disturbances such as nausea, vomiting, and diarrhea. More severe but less common side effects can include hypotension (low blood pressure), tachycardia (rapid heartbeat), or bleeding complications. Patients should notify their healthcare provider of any unusual symptoms or serious side effects.