Some of the most common side effects are: Nausea Constipation Headache Vomiting Dizziness Insomnia Dry mouth Diarrhea Anxiety Hot flushes Fatigue Tremors Upper abdominal pain Viral gastroenteritis Influenza (flu) Tinnitus (ringing in the ears) Urinary tract infection Excessive sweating Irritability Increased blood pressure Changes in taste and smell Rashes Muscle strains Palpitations (heart racing) Additional but less common side effects may include: Fast heart rate, heart attack, dizziness, motion sickness, lower abdominal pain, gas, lip swelling, rectal bleeding, hernia, inflamed gallbladder, pneumonia, staph infection, kidney infection, increased blood creatinine, increased hepatic enzymes, decreased hematocrit, feeling jittery, feeling abnormal, feeling weak or a loss of energy, thirst, feeling hot, disturbance in attention, feeling sleepy, tremors, balance disorder, impaired memory, amnesia, abnormal dreams, nervousness, feeling spacey, tension, agitation, mood swings, abnormal and frequent urination, dehydration, bulging or herniated discs, jaw pain, feeling faint, hair loss, erectile dysfunction, vaginal dryness, and irregular menstrual cycles (periods)
Contact your GP if you experience symptoms of deficiency (persistent fatigue, neurological symptoms, muscle cramps), are losing substantial weight, have persistent gastrointestinal symptoms, take metformin concurrently, or follow restrictive dietary patterns
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'Love Island generation' skin cancer fear The "Love Island generation" are risking their health by going to extreme lengths to achieve a perfect tan, an expert has said
