Zincin belongs to a class of medicines known as antihistamines. It is a prescription medicine used to treat motion sickness (nausea due to motion, especially while traveling in a moving vehicle), vertigo (spinning sensation or dizziness), or Meniere's disease (problems with balance). Zincin should be taken with food to avoid stomach upset. Take this medicine as advised by your doctor, preferably at the same time each day. If you have missed a dose, take it as soon as you remember. Do not skip any doses and finish the full course of treatment and never stop this medicine suddenly without talking to your doctor. Some common side effects of this medication are sleepiness, nausea and dyspepsia or indigestion. It even causes dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. It may also cause weight gain and to prevent it you can eat a healthy balanced diet, avoid snacking with high-calorie food and exercise regularly. Before taking this medicine, it is better to inform your doctor if you are suffering from peptic ulcer, asthma, or low blood pressure. You must inform your doctor if you are taking any other medicines regularly, as it may affect the way this medicine works for you. Pregnant or breastfeeding mothers should consult their doctor before taking this medicine.