Belladonna [Bell]
Pressing and urging downwards anus and genitals, alternating with contractions of the anus; spasmodic constriction of anus, as in dysentery.
Causticum [Caust]
Fruitless urging to stool, with anxiety and red face.
Cocculus [Cocc]
Tenesmus recti after stool, with faintness; lessened peristalsis.
Ignatia [Ign]
Proctalgia; contraction, with cutting, shooting pains, (<) after stool, Symptoms irregular, fitful, as in hysteria.
Kali-bichrom [Kali-bi]
Sensation of a plug; diarrhoea of brown, frothy water, squirting out in early morn and followed by tenesmus ani.
Lachesis [Lach]
Tormenting urging in rectum, but on account of constriction of anus it becomes so painful he must desist; protruding piles with constricted anus.
Mezereum [Mez]
After stool the anus is constricted around the protruding rectum.
Natrum-mur [Nat-m]
Sensation of contraction in rectum during stool; faeces tear the anus; frequent ineffectual urging; spasmodic constriction of anus.
Nitric-acid [Nit-ac]
Sticking in rectum as from a splinter; constriction during stool and lasting for hours afterwards; rectum feels as if torn.
Opium [Op]
Obstinate constipation; anus spasmodically closed during colic; inactivity of bowels, stools consisting of hard, round, black balls; flatulency from inertia.
Plumbum [Plb]
Retraction of abdomen; marked spasm or contraction of sphincter ani; urging to stool, and sensation as if a string were drawing the anus up into the rectum; faeces hard and dry from absorption of their moisture.