The common side effects of tramadol include abdominal pain, anxiety, diarrhea, dry mouth and heartburn, notes Mayo Clinic. Other common side effects are irritability, drowsiness, cough, loss of appetite and nausea. Rare ... More »

Nausea or vomiting, constipation, lightheadedness, dizziness, drowsiness and headaches are common side effects of tramadol, states WebMD. In severe and rare cases, patients may experience, fainting, seizures, shallow bre... More »

Common side effects from oral heartworm treatments include diarrhea, vomiting and lack of muscle coordination. Side effects from topical heartworm treatments include hair loss at the application site, diarrhea, vomiting,... More »

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The most common side effects of Advil Cold and Sinus are dizziness, heartburn, constipation, diarrhea, nausea and vomiting, according to WebMD. Other side effects include weakness, trouble sleeping, loss of appetite and ... More »