Cetirizine­ helps with allergies. Pistonor 2 also he­lps with allergies. Taking both medications toge­ther can make you slee­py and dizzy. It's better to take one­ medication at a time for allergie­s. If allergies are difficult, ask your doctor for other solutions. But don't mix Cetirizine and Pistonor 2.

Hair fall may happen as a result of several reasons such as stress, unhealthy diet, or heredity. You may be the one to whom it is happening if you notice more hair on the pillow or in the shower. To support your efforts, healthy eating, stress relief, and using gentle hair products can be helpful. 

You must visit a dermatologist first. You may try using natural remedies such as topical applications of lemon juice, almond oil, and aloe vera gel to help reduce the appearance of the black spots on face. Also practice good skin care habits such as avoiding harsh soaps, using sunscreen, and avoiding excessive sun exposure.

Sometimes not having enough vitamin D3 can cause people to lose their hair. You should keep taking the vitamin D supplement as the doctor told you. You should try to eat more foods that have iron and protein in them as well. One thing that might help is finding ways to relax when you are stressed.