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Two medicines, side by side

Methylcellulose vs psyllium husk

Methylcellulose and psyllium husk are both labeled for constipation.

Check it at the source: the methylcellulose FDA label on DailyMed (effective March 18, 2026); the psyllium husk FDA label on DailyMed (effective September 8, 2026).

Highlights of the methylcellulose record

Methylcellulose · label of March 18, 2026

Used for

From the label: indications

relieves occasional constipation (irregularity) generally produces a bowel movement in 12-72 hours

On the market

Earliest approval on file
n/a
Generic labelers
none listed
Pharmacy cost
$0.0135 per gram

Supply and safety

Shortage
No current entry
Recalls
0

Highlights of the psyllium husk record

Psyllium husk · label of September 8, 2026

Used for

From the label: indications

• effective in treating occasional constipation and restoring regularity

On the market

Earliest approval on file
n/a
Generic labelers
none listed
Pharmacy cost
Not in the survey

Supply and safety

Shortage
No current entry
Recalls
0

Source: FDA drug labels via openFDA (Methylcellulose label of March 18, 2026, Psyllium husk label of September 8, 2026); NDC Directory, Drugs@FDA, NADAC, FDA shortages and recalls (October 8, 2026)

How do methylcellulose and psyllium husk differ on the record?

MethylcellulosePsyllium husk
Labeled forConstipationConstipation
Pharmacologic classn/an/a
How it works (label)n/an/a
Half-life (label)n/an/a
Earliest approval on file (Drugs@FDA)n/an/a
First generic approvednonenone
Generic labelers (NDC)none listednone listed
Pharmacy cost (NADAC, each one's most listed form; strengths differ)$0.0135 per gram (Fiber therapy powder)n/a
12-month price change-0.4%n/a
Boxed warningNoNo
Shortage nowNo current entryNo current entry
Recalls recorded00
FAERS reports (a report is not proof of cause; counts follow how widely a medicine is used)2,1459,821
DEA schedulenonenone

Source: Drugs@FDA, FDA NDC Directory, CMS NADAC of October 7, 2026, FDA shortages and recalls, FAERS via openFDA (FDA files October 8, 2026)

What next?

Alternatives to methylcellulose
every medicine labeled for the same conditions