Magnesium Carbonate.--U.S.P.

Antacid, Antilithic.--~Dose:~ 30--120 grn.

~Magnesium Citrate Merck.--Soluble.~

~Dose:~ 30--120 grn.

~Magnesium Oxide, Light, Merck, (_Magnesia, U.S.P._).~

LIGHT or CALCINED MAGNESIA.--Light, white powd.; slightly alkaline taste.--SOL. in diluted acids, carbonic-acid water.--Antacid, Laxative, Antilithic.--USES: _Intern._, sick headache, heartburn, gout, dyspepsia, sour stomach, constipation, gravel, and as antidote to a.r.s.enous acid. _Extern._, ulcers and abraded surfaces; dusting-powd.

for babies; and in tooth powders.--~Dose:~ 10--30--60 grn. Small doses are antacid or antilithic; large are laxative.

~Magnesium Oxide, Heavy, Merck, (_Heavy Magnesia, U.S.P._).~

~Dose:~ 10--60 grn.

~Magnesium Salicylate Merck.--C.P.~

SOL. in water.--~Dose:~ 15--60 grn.

~Magnesium Sulphate Merck.--U.S.P.--C.P.~

EPSOM SALT.--~Dose:~ 1/2--1 oz.

~Magnesium Sulphite Merck.~

USES: Instead of sodium sulphite: has less disagreeable taste.--~Dose:~ 10--60 grn.

~Maltzyme.~

Not completely defined.--(Stated: "A concentrated, diastasic essence of malt.--Nutritive, Digestant--USES: Malnutrition, starchy indigestion, etc.--~Dose:~ 1/2--1 fl. oz., during meals; children in proportion.")

~Manganese Dioxide Merck.~

MANGANESE PEROXIDE; BLACK OXIDE OF MANGANESE.--Containing over 90% MnO{2}.--~Dose:~ 2--10 grn.

~Manganese Hypophosphite Merck.~

Permanent rose-red cryst.--~Dose:~ 10--20 grn.

~Manganese Iodide Merck.~

Brown, deliquescent ma.s.ses.--SOL. in water, with decomposition.--USES: Anemia, chlorosis, scrofula, syphilis, and enlargement of spleen.--~Dose:~ 1--3 grn.

~Manganese, Peptonized, Merck.~

Brown powd.; 4% manganic oxide.--SOL. in water.--USES: Anemia and chlorosis.--~Dose:~ 10-30 grn.

~Manganese Peroxide,~--see MANGANESE DIOXIDE.

~Manganese Sulphate Merck.--U.S.P.--Pure, Cryst.~

SOL. in 1 part water.--~Dose:~ 5--15 grn.

Manna--U.S.P.

~Dose:~ 1/2--1 oz.

Marrubium--U.S.P.

h.o.r.eHOUND.--Used chiefly as infus. (1:16) taken hot, or as confectionery; in coughs, colds, etc.

Mastic--U.S.P.

MASTICHE.--_Preparations:_ Pills Aloes and Mastic (2 grn. A., 2/3 grn.

M.).

Matico--U.S.P.

~Dose:~ 30--60 grn.--_Preparations:_ F.E. (1:1); Tr. (1:10).

Matricaria--U.S.P.

GERMAN CHAMOMILE.--Used chiefly as tea, in colds.

~Melachol.~

Not completely defined.--(Stated: "Liquefied combination of sodium phosphate with sodium nitrate; 1 fl. dr.=85 grn. sod.

phosphate--Laxative, Nervine.--~Dose:~ _Lax._, 1--6 fl. drs., in water, before meals; _nerv._, 1/2 fl. dr., 3 t. daily.")

Melissa--U.S.P.

BALM.--Carminative.--See also, Spt. Melissa.

Menispermum--U.S.P.

YELLOW PARILLA.--~Dose:~ 10--20 grn., in F.E. (1:1) or infus.

~Menthol Merck.--U.S.P.--C.P., Recryst.~

~Dose:~ 3--5 grn.--For toothache: put a crystal into cavity.--Tampons, 1 in 5 of oil.

~Mercauro.~

Not completely defined.--(Stated: "10 min. contain 1/32 grn. each gold, a.r.s.enic, and mercury bromides.--Alterative, Antisyphilitic--~Dose:~ 5--15 min., in water, after meals.")

~Mercuro-iodo-hemol.~