Bydureon (single-dose pen): use immediately once the medication has been mixed. Byetta: pen should be discarded 30 days after initial use. SymlinPen: pen should be discarded 30 days after initial use. Tanzeum (single-dose pen): must use within 8 hours once the medication has been mixed.
There are many possible causes of foot rashes. Athlete's foot is one of the more common causes. Additional causes include irritant or contact dermatitis, allergic rashes from shoes or other creams, dyshidrotic eczema (skin allergy rash), psoriasis, keratodermia blennorrhagicum, yeast infections, and bacterial infections.
The two most common causes for itchy feet are fungal infections such as athleteâs foot (tinea pedis) and skin conditions such as eczema, dermatitis, and psoriasis. Additional causes include: 1  Allergies.  Irritants such as laundry detergent, soap, or perfume.