Hello,, hypothyroidism can cause decrease in immunity so predisposes to infection, feeling tired, weakness,, laziness, or intolerable to cold,, it seems that either you are not taking Thyroid medicine (thyroxine tablets) regularly or that dose is not enough for you. Don't worry Please visit a general physician and get your Thyroid profile again to adjust the dose. Eat fresh fruits and green leafy vegetables and add some exercise to your daily routine. Consult a gynecologist for white discharge per vagina,, avoid frequent taking of paracetamol.