It is better to take expert opinion rather than mixing few Homoeopathy medicines together and giving to patient. Beware that Homoeopathy medicines are not proven in combination and can have potential side effects if given in combination. Many things including stage of disease, symptoms, age, body weight, comorbidities, medical history etc need to be considered by doctor before prescribing any medicine.

Yes it can be given. But still the chances of desired effects are very less. As homeopathy works on rule of similia. Means the medicines should match the symptoms of the case. There are lot many medicines similar to these which can help. Instead of experimenting I suggest you to give proper homeopathic treatment. The chances of good outcome are excellent and in short time.

I would not recommend frankly speaking. Pleasd give only after Consulting any of the homoeopathy Doctors.