As reported by WebMD, one side effect of cinnamon is that it may cause or worsen liver disease. Because cinnamon contains the chemical coumarin, liver failure may occur if taken daily or in high doses. More »

www.reference.com Health Medications & Vitamins Side Effects

Although cinnamon supplements generally cause no side effects, excessive use of cinnamon may cause irritation of the lips and mouths, resulting in sores, according to WebMD. Some users may experience allergic reactions, ... More »

www.reference.com Health Medications & Vitamins Side Effects

Ceylon cinnamon can possibly lower blood sugar in people with Type 2 diabetes, and can also interfere with blood sugar levels after surgery, explains WebMD. Diabetics should watch for signs of hypoglycemia and track bloo... More »

www.reference.com Health Medications & Vitamins Side Effects

Medications with the side effect of difficult urination include Norpace, Hycodan, cephalosporins and Benadryl, according to RxList, WebMD and Drugs.com. Norpace treats heart arrhythmias and tachycardias, according to RxL... More »

www.reference.com Health Medications & Vitamins Side Effects

According to WebMD, 5-Hydroxytryptophan (5-HTP) carries one serious side effect, which is the possible development of eosinophilia-myalgia syndrome (EMS), and numerous other less-serious side effects, such as heartburn, ... More »

www.reference.com Health Medications & Vitamins Side Effects

The only reported side effect of neogyn Feminine Soothing Cream was a slight warming or burning sensation on the area of application. The neogyn website claims that, for most women, the sensation only lasts for about 60 ... More »

www.reference.com Health Medications & Vitamins Side Effects

The main side effect of Stamina Rx is that it reacts with nitrates in prescription drugs to cause an unsafe drop in blood pressure. Stamina Rx is marketed as a dietary supplement, but it contains the prescription-strengt... More »

www.reference.com Health Medications & Vitamins Side Effects