Metallic taste in my mouth?

Like at the beginning of this year...I had the same taste in my mouth for about two days and I have braces except it kind of felt like it was an acid eating my teeth under my braces... I have this same question...

dry mouth or because of certain infections like common cold, sinusitis, salivary gland infections, sore throat, streptococcal throat, viral infections. It can also occur because of tongue biting, head nose or mouth injury or chemical poisoning. At times ortho appliances, nasal polyps, allergies, Bell ’s palsy etc also causes metallic taste. Certain antibiotics, antithyroid drugs and bronchodilators can also cause metallic taste. The most common cause of metallic taste in mouth is bad oral hygiene or infections in mouth. So you are advised to maintain a good oral hygiene. Brush your teeth twice a day, floss, clean your tongue properly. You can also use an antimicrobial mouthwash for this. If the condition persists even after maintaining a good oral hygiene, then you need to consult your dentist. Your dentist after clinical diagnosis will find out the cause for the condition and will treat it. For more info on maintaining good oral hygiene, refer to the following link.... http://www.identalhub.com/dental-right-dental-care...

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Sometimes it can be a side effect to a medication like an antibiotic such as Biaxin?