Ayurvedic and Homeopathic medicines should not be taken at the same time, As these are crude medicine substances they neutralise/slow the effect of Homeopathic medicines.
Next Steps
You should either stop Ayurvedic of Homeopathic medicine - based on the importance of your complaints.
Health Tips
If the sinus problem is acute take Homeopathic medicines for now and once it subsides again continue Ayurvedic medicines