One of the most common causes for a temporary bad taste, change in taste, lessened taste or a period of no taste are infections. Drugs are notorious for causing taste changes, bad taste, reduced taste or no taste. This list can go on and on, but you get the taste of it.
http://www.healthblurbs.com/many-causes-of-parageusia-bad-taste-dysgeusia-taste-change-ageusia-no-taste-hypogeusia-less-taste-disorders/
1 A decrease in the number of taste buds. 2  Changes in the way the nervous system processes the sensation of taste. This may cause a decline in the awareness of taste. 3  A decreased amount of saliva or an increased stickiness of saliva.  Changes in the tongue, making it harder for flavors to reach the taste buds.
http://www.webmd.com/oral-health/tc/taste-changes-topic-overview
There are several possible causes of taste changes related to cancer and cancer treatment. Understanding the cause may help you and your health care team manage these changes. Chemotherapy. Taste changes are a common side effect of chemotherapy.
http://www.cancer.net/navigating-cancer-care/side-effects/taste-changes
However, regardless of which type of taste disorder you have the food you eat won’t taste right. Taste disorders, whether described as parageusia, dysgeusia, aguesia or hypogeusia, can have numerous causes, such as damage to your taste buds, nerve problems, drug side effects, an infection or other health conditions.
http://www.healthblurbs.com/many-causes-of-parageusia-bad-taste-dysgeusia-taste-change-ageusia-no-taste-hypogeusia-less-taste-disorders/
1 A decrease in the number of taste buds. 2  Changes in the way the nervous system processes the sensation of taste. This may cause a decline in the awareness of taste.  A decreased amount of saliva or an increased stickiness of saliva.
http://www.webmd.com/oral-health/tc/taste-changes-topic-overview
Every food may taste the same. A metallic or chemical taste in the mouth, especially after eating meat or other high-protein foods. Taste changes can lead to loss of appetite, weight loss, and food aversions, which is disliking specific foods. Therefore, it is important to let your health care team know if you experience any taste changes. Relieving such side effects is an important part of cancer care and treatment.
http://www.cancer.net/navigating-cancer-care/side-effects/taste-changes
One of the most common causes for a temporary bad taste, change in taste, lessened taste or a period of no taste are infections. Temporary taste disorders frequently accompany these infectious disease caused health conditions: 1  sinusitis. 2  influenza.  pharyngitis.
http://www.healthblurbs.com/many-causes-of-parageusia-bad-taste-dysgeusia-taste-change-ageusia-no-taste-hypogeusia-less-taste-disorders/
Taste Changes - Topic Overview. Taste changes may include the complete loss of taste (ageusia), partial loss of taste (hypogeusia), a distorted sense of taste (dysgeusia), such as a metallic taste, or an unpleasant or revolting taste (cacogeusia). A decrease in or loss of taste is common in older adults.
http://www.webmd.com/oral-health/tc/taste-changes-topic-overview
Maybe you’ve noticed a bad taste, taste change, less ability to taste or perhaps no taste at all. Although, a complete lack of taste is rare. How the sense of taste is communicated to your brain is through your taste buds.
http://www.healthblurbs.com/many-causes-of-parageusia-bad-taste-dysgeusia-taste-change-ageusia-no-taste-hypogeusia-less-taste-disorders/
It may also cause changes to the sense of smell. Changes to the sense of smell may affect how foods taste. Taste changes caused by radiation treatment usually begin to improve 3 weeks to 2 months after treatment ends. Taste changes may continue to improve for about a year.
http://www.cancer.net/navigating-cancer-care/side-effects/taste-changes
what causes your sense of taste to change
Hypogeusia, dysgeusia and cacogeusia causes your sense of taste to change.