What is thiamine hydrochloride 100mg tablets thiamine hydrochloride 100mg tabletsare formulated toprevent and treat thiamine deficiency which occurs as a result of inadequate nutrition or intestinal malabsorption.these tablets can help to provide you with the correct nutrients that you need in order to stay fit and healthy. Who can use thiamine hydrochloride 100mg tablets suitable for adults, and children over the age of 12 this product is not eligible for returns ingredients active ingredients thiamine hydrochloride other ingredients lactose and sucroseingredients usage how to take thiamine hydrochloride 100mg tabletsusage warnings warnings do not use this medicine if you allergic hypersensitive to thiamine or any of the other ingredients in this medicine under 12 years of age think you may be pregnant or are planning to have a baby possible side effects like all medicines, this medicine can cause side effects, although not everybody gets them. Rash or skin irritation swelling of face, lips, throat or tongue stomach pain difficulty in breathing or swallowing rapid pulse heart pain some people may experience a mild stomach upset after taking this medicine, symptoms of this could be nausea vomiting stomach pain diarrhoea warnings