hi welcome to health care magic,
actually low blood pressure is a misnomer.Sometime poor food intake and illness may show this condition.Palpitation is not itself a disease and it also has same reasons.Better to go for a health check up.
Your symptoms (frequent headache, palpitations, trembling and feeling of low BP/dizziness??) are suggestive of anxiety. Delay of menstruation may or may not be related to anxiety. Consult your family doctor, who can then refer you to appropriate specialist.
Answered: Sun, 3 Jul 2011
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