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 » Health Medications & Vitamins Side Effects

Creatine can have dangerous side effects such as liver injury, ischemic stroke, breathing difficulty and electrolyte imbalance, explains Mayo Clinic. Additionally, it can increase risks of kidney damage by interacting wi... More » Health Medications & Vitamins Side Effects

Possible side effects of taking creatine include water retention, kidney disease, kidney failure and high blood pressure. Other side effects are nausea, cramping, diarrhea and muscle pain, states WebMD. Most healthy peop... More » Health Medications & Vitamins Vitamins & Supplements

Drinking Ensure Plus formula is associated with nausea, constipation, diarrhea, pulse fluctuations, excessive fatigue, nervousness and confusion, frailty, dry mouth, seizures, mood fluctuations, muscle cramps, frequent u... More »

Possible side effects of methylsulfonylmethane, or MSM, include fatigue, headaches, difficulty sleeping, increased severity of allergy symptoms, itching, diarrhea, bloating and nausea, according to WebMD. MSM is consider... More »

Common symptoms of influenza type A include a cough, sore throat, headaches, body aches, fatigue, chills, nausea, vomiting, diarrhea and a fever of more than 100 degrees Fahrenheit, according to the U.S. Department of He... More »

The symptoms of Middle Eastern respiratory syndrome (MERS) can include coughing, fever, breathing problems, diarrhea and nausea. In some patients, more serious symptoms can develop as the result of complications, as note... More » Health Conditions & Diseases