What are the possible side effects of Zantac 75 (Ranitidine)?
Stop using ranitidine and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop taking ranitidine and call your doctor at once if you have a serious side effect such as: chest pain, fever, feeling short of breath, coughing up green or yellow mucus easy bruising or bleeding, unusual weakness fast or slow heart rate problems with your vision fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; or nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes) Less serious side effects may include: headache (may be severe) drowsiness, dizziness sleep problems (insomnia) decreased sex drive, impotence, or difficulty having an orgasm; or swollen or tender breasts (in men) nausea, vomiting, stomach pain; or diarrhea or constipation This is not a complete list of side effects and others may