U can take these medicine along with Tiktakam gritha 10ml twice daily.

Find out root cause of your problem by ayurved way diagnosis Correct it by ayurved way medicine diet and lifestyle corrections Finding out root cause and its cure is very important for improvement permanent cure Correct diagnosis by ayurved way is very important main factor in treatment Take any ayurved medicine after proper ayurved way diagnosis only for avoiding bad effects of intake Take online consultation directly for accurate diagnosis and treatment diet chart home remedies

I think one needs to work on your digestion first and the the other issues can be solved one by one. Get a proper consultation  , get the root cause treated.

Yes seborrheic dermatitis need evaluation of your type of scaling. Need to know other details. The above said for weakness. So consult.

These are not for your all problems. Consult your doctor again. 1st  get your constipation relieved. Then start these medicines. For dermatitis external application may be needed.

These medicines are not for the sebo dermatitis and constipation. But it good for the nerve weakness.

Consult ayurveda physician for proper diagnosis and root cause of ailment