Tonsils for 8 year old son

I had a very bad episode in the month of January 2011.

My son started with high fever with rash on his hands arms, back and chest. We took him to the doctor and he diagnosed Scarlet fever. He prescribed Amoxicillin for 10 days. He started taking it and 3rd day his fever was gone, rash was gone. I sent him to day care for one day as I had to go to office and he came back with minor fever again. We thought his antibiotics is still not finished may be he will be fine. Next morning his legs badly hurt. Then I notice he was starting pink eye. And some different kind of rash on his back of knees, thighs, upper legs, and back of the arms near the joints and back of wrists. I took him to another doctor, he changed the antibiotic and prescribed 'Cefprozil' for 10 days, he told stop old antibiotic and take this one. We started taking that his rash did not go. His fever and pink eye was gone in 2 days. Then doctor prescribed 'fucidin' creme for rash and we applied it and rash is also gone.

But he still had strawberry tongue and tonsils. So I took him to pediatrician. He asked for blood test with ASOT, Sed rate, plates count, something for inflammation in blood test. And he asked for ECG as well.
Same time he asked us to stop all the medications. We got everything done and stopped 2nd antibiotic (So in total 2nd antibiotic was taken for 5 days).
He didn't have any fever for the next 3 days. But I noticed his strawberry tongue was not getting better and his tonsils got more swollen after stopping antibiotic.
I took back to the pediatrician who took the blood tests, now he said get another blood test again for ASOT, Plates count, CBC etc. I said why I need to do it now, he said because after stopping antibiotics, fever came back. This time the results may be positive. But I asked why they were negative before, he said my son was taking antibiotics before. I was upset, and didn't go for another one blood test.
I asked him to write antibiotics, He finished another antibiotic.

But he still has Tonsils left with no fever and some strawberry tongue.
I took him to the homeopathic doctor. My son got prescribed the following medicine for 4 weeks in the beginning.

Belladonna 30-CH (4-4-4 times/day) ist week
Baryta Muriaticum 30 CH (4-4-4 times/day) (2nd week)
Belladonna again (4-4-4 times/day) (3rd week)
Baryta Muriaticum 30 CH (4-4-4 times/day) (for 4th week)

+
Everyday: Bio-pasgen 10 (Cal. Phos.3x, Ferrum Phos. 3x, Kali Mur. 3X) 20 g tablets. (2-2-2 times)

Now, my question is this is third week and I am not seeing any improvement in his swelling of tonsils.
Also to mention that as I read in the homeopathic medicine treatment, we need to avoid Ketchup, Tomato, Orange, Yogurt, cold drinks, etc.
He reality is whenever he is home, I don’t give him anything. But when he is in school, he gets everyday Chocolate milk and pizza on Fridays. Do you think it is the reason he is not getting improved?
As my son doesn’t eat any vegetable at all, he just eat Roti and Curd every night. It is so hard for him to survive if he doesn’t eat curd.
I am not getting why the medicine is not working on him.

How long it is going to take so that we can see the results?

Please suggest.

Thanks.
Daljeet