This indeed sounds like migraine, in which case lifestyle correction is necessary along with medications. Sinus problems too need treatment.
Next Steps
You can consult a homeopathic doctor forheadache and sinus treatment and also get an advice on lifestyle management. Diet, sleep, exercise and work routine plays an important role, hence consult for proper evaluation and advice.
Health Tips
Avoid overexertion of any kind and find ways to relax to prevent triggering of headache.