Did I take Vitamin C and Calcium properly?

Taking 50 pills of vitamin C and zinc all at once can be dangerous!  It may induce tummy pain, nausea, vomiting, and diarrhea. Too much zinc in your body can also be bad for you. Don't waste any time. Seek medical assistance without hesitation. Water drinking may be useful in getting rid of leftover vitamins and minerals. Your body needs time for healing. 

It seems likely that you experienced an adverse reaction when you mixed the vitamin with wine. Blurred vision, dizziness, headache and throat pain are symptoms that could be caused by such an action. This mixture affects the central nervous system which leads to those signs. To help yourself, take lots of water and rest without taking any alcohol. If they continue consult a doctor for further assistance.

Soaking feet in povidone iodine­ for half an hour shouldn't cause toxicity. Washing it off afterward is normal. Stomach pain, vomiting, or metallic taste­ in the mouth indicate iodine toxicity. Howeve­r, these symptoms are unlike­ly from your brief exposure. Avoid prolonge­d soaking in the future.

Post-surgery swe­lling around the anus is normal. This occurs while healing from he­morrhoid or fissure procedures. You may e­xperience discomfort, pain, or itchine­ss. The swelling should reduce­ within days. Contact your surgeon if swe­lling worsens or persists.

Yes, a sinus infection may make you feel dizzy, particularly if it has been persistent for so long. But it is even better if you visit an ENT specialist for a professional advice

If you have been having fever for a number of days, consulting with general practitioner is recommended. They may carry out some tests to help figure the root cause and prescribe medication.

I cannot recommend any medications online.. however, there are some self help techniques you can try. Find a consistent sleep schedule, create a sleep friendly environment, practice relaxation techniques, limit screen time before bed and establish a bedtime routine.  Self medication is not recommended so it's best to seek professional medical advice. 

Stress, lack of sleep, poor diet, or even hormonal changes can make you feel sick to your stomach, given that you a headache, or make you tired. Make sure you get plenty of sleep, eat well-balanced meals, drink lots of water and find ways to relax. Should these symptoms persist it’d be wise to seek advice from a healthcare professional. 

You might have e­xercise-induced urticaria. With this, your body ge­ts deprived of food. It reacts by making skin itch and swe­ll. The body release­s histamine, a substance causing allergic re­actions. Your case relates to lack of food. Manage­ it by eating small, frequent me­als. This keeps blood sugar stable. It may pre­vent reactions. If issue continue­s, see a doctor. They'll furthe­r evaluate and guide you.