Your body is reacting to something in your environmnet that your five senses did not detect. I wouldn't take anything without seeing a doctor first. It could be just water in your nose or ears. or it could be many things. Here is a list that may help.
1. Silver fillings in your teeth that is mostly mercury.
2. Stray EMF that can be detected with a compass.
3, Radon or lead poisioning.
4. Teflon cookware hazard.
5. Lack of indoor potted plants.
Please consider the results of "NASA's Clean Air Plant Study".
"Common indoor plants may provide a valuable weapon in the fight against rising levels of indoor air pollution. Those plants in your office or home are not only decorative, but NASA scientists are finding them to be surprisingly useful in absorbing potentially harmful gases and cleaning the air inside modern buildings."
"NASA research has consistently shown that living, green and flowering plants can remove several toxic chemicals from the air in building interiors. You can use plants in your home or office to improve the quality of the air to make it a more pleasant place to live and work - where people feel better, perform better, any enjoy life more."
TOP 10 plants most effective in removing: formaldehyde, benzene, and carbon monoxide from the air.
Common Name - Scientific Name
Bamboo Palm - Chamaedorea Seifritzii
Chinese Evergreen - Aglaonema Modestum
English Ivy - Hedera Helix
Gerbera Daisy - Gerbera Jamesonii
Janet Craig - Dracaena "Janet Craig"
Marginata - Dracaena Marginata
Mass cane/Corn Plant - Dracaena Massangeana
Mother-in-Law's Tongue - Sansevieria Laurentii
Pot Mum - Chrysantheium morifolium
Peace Lily - Spathiphyllum "Mauna Loa"
Warneckii - Dracaena "Warneckii"