Common side effects of creatine include diarrhea, nausea, stomach pain and increased weight, according to Drugs.com. Some people may experience muscle cramping after taking creatine. Side effects may affect men or women. More »

www.reference.com Health Medications & Vitamins Side Effects

WebMD describes creatine as a substance that helps to make adenosine triphosphate, or ATP, which provides the body energy for muscle contractions. Although it is made naturally in the body, it is also available through m... More »

Creatine is generally considered safe, but on rare occasions it can cause weight gain, nausea, vomiting, diarrhea, difficulties in breathing, fatigue, fever, kidney problems and headaches. It is not recommended for use b... More »

www.reference.com Health Medications & Vitamins Side Effects

Common side effects of Osteo Bi-Flex may include nausea, constipation, diarrhea, stomach pain and gas, says Drugs.com. Other side effects include bloating, hair loss and puffy eyelids. Patients with an allergy to Osteo B... More »

www.reference.com Health Medications & Vitamins Side Effects

Possible side effects associated with over-the-counter lansoprazole include nausea, stomach pain, diarrhea and constipation, according to Drugs.com. Headache and dizziness are also common side effects of lansoprazole. Ot... More »

www.reference.com Health Medications & Vitamins Side Effects

Common side effects of Amoxil include stomach pain, diarrhea, vaginal itching and swollen tongue, while Bactrim users often experience vomiting, inappatence and rash, according to Drugs.com. Levaquin use can result in co... More »

www.reference.com Health Medications & Vitamins Side Effects

Common side effects of sodium hyaluronate, the active ingredient in Euflexxa, include diarrhea, headache, loss of appetite and stomach pain, as listed by Drugs.com. Users may also experience large purple patches on the s... More »

www.reference.com Health Medications & Vitamins Side Effects