Nervousness, excitability, tremor, muscle weakness, cramps; sweating, flushing, heat intolerance, headache, insomnia, tachycardia, palpitations, angina pectoris, excessive wt loss; menstrual irregularities; diarrhoea, vomiting Hi there, Thanks for your query. You have neither mentioned whether you were diagnosed with hypothyroidism (underactive thyroid) or hyperthyroidism (overactive thyroid); or, the medication taken/details of side effects. Treatment for both conditions is entirely different, and so is the side effects. Drugs for both conditions are started with lower doses and increased VERY GRADUALLY. Hence, rapid increase in the dose or, high initial dose lead to side effects. Rush and tingling sensation on head/face can be due to high dose of drug for hypothyroid state, acute anxiety or panic reactions, or as a manifestation of menopausal syndrome. Hence, I cannot offer any comments in the absence of full details. Your treating doctor- who is privy to all information and blood reports- is the best judge. In case of any further queries, revert back to me THROUGH DIRECT PREMIUM QUERY (Paid), addressed to me personally. You will receive- almost immediately- my response in great details. If you find my response helpful and informative, do not forget an “excellent” (5-star rating) to my answer, to ENCOURAGE ALL doctors- engaged in social service- to render sound advice to the FREE queries. Fond regards and have a nice day Dr. Rakesh Karanwal